Metal-rolling machine.



NO. 763,952. PAT'ENTED JULY 5, 1904.

' P. =BLONDELL. METAL ROLLING MACHINE.

APPLICATION FILED FEB. 6, 1903.

N0 MODEL.

Patented July 5, 19(14.

PATENT QEETCE.

PETER BLONDELL, OF TONATVANDA, NEIV YORK.

METAL-ROLLING MACHINE.

SPECIFICATION forming part of Letters Patent No. 763,952, dated July 5, 1904. Application filed February 6, 1903. Serial No. 142,221. (No model.)

To (all whom, it may concern:

Be it known that I, PETER BLONDELL, a citizen of the United States, residing at Tonawanda, in the county of Erie and State of New York, have invented certain new and useful Improvements in Metal-Rolling Machines, of which the following is a specification.

This invention relates to metal-rolling machines, which, though applicable to such machines for various purposes, is particularly designed for rolling bars with countersink depressions; and it has for its primary object the production of a machine of this character which is simple, durable, inexpensive, and per fectly reliable and which is provided with removable countersinks which can be quickly replaced with new countersinks when worn or broken, which is a frequent occurrence, owing to the severe strain to which they are subjected.

To this and other important ends my invention'consists of the new and novel features of construction, arrangement, and combination of parts, as will be hereinafter described, and particularly pointed out in the subjoined claims.

Reference is to be had to the accompanying drawings, forming part of this specification, in which like numerals of reference refer to like parts in the several figures. Figure 1 is a front elevation of my improved rolling-machine, showing the manner of forming a metal bar with countersink depressions. Fig. 2 is a sectional elevation of the same, the removable annular countersink-retainer being shown in section. Fig. 3 is a fragmentary sectional view of two adjacent marginal portions of the rolls, showing the metal passing between the two. Fig. 4 is an enlarged transverse section of the upper or countersinking roll, taken on line .2, Fig. 2. Fig. 5 is a face view of a bar or flat with countersink depressions, which illustrates the product of the machine.

The reference numeral 1 designates the frame of the machine, which may be of any .design and construction suitable for journaling the two coacting rolls 2 and 3, which are geared together by inter-meshing spur-gears 4 and 5,

secured, respectively, to the upper or countersinkingroll 2 and the lower roll 3. means for driving the machine may be arranged as desired, as it forms no part of my invention.

' The lower roll 3 is provided with reduced end portions 6, which are journaled in bearings 7, formed in the frame, and a rolling por tion 8, having a circumferential depression or groove 9, into which the metal to be rolled is fed. This roll is preferably formed in one integral piece, but, if desired, may be otherwise formed.

The countersinking or die-holding roll 2,- which is illustrated as the upper roll, comprises two members, the inner or body portion of the roll, 10, provided with reduced end por' tions 11, which are journaled in bearings 12, formed in the frame, and a one-piece facing and countersink-retainer sleeve 12, encircling said body portion and being secured thereto by a key 1 1, fitting coinciding keyways 15 16, formed, respectively, in the outer surface of The the said body portion and the inner surface of the countersink-retainer sleeve. The reduced ends of the body portion 10 of the roll 2 form shoulders 17, which bear against the inner ends of the journal-bearings 12, as do also the ends of the countersink-retainer sleeve, which corresponds in length with the length of the body portion 10 between its shoulders 17, and thus the roll is held from lengthwise movement in the frame.

The countersinking or die-holding roll 2 is The two rolls contact at all points when in operation, except at the rolling-space, where the circumferential elevation 18 enters its corresponding groove.

Arranged around the countersink-retainer sleeve in the center of the circumferential elevation or flange 18 is a series of radial apertures 20, and in the inner surface of said sleeve in line with said elevation or flange is an annular groove 21.

Countersinks or dies 22, having each a truncated conical head. 23 and a shank 24:, are held in the radial apertures 20. The shanks of these countersinks are passed through the apertures from the outside, so as to permit the innor projecting end to be upset or headed in the annular groove 21, as is common in riveting. By means of this construction the headed or upset inner ends of the countersinks do not form an obstruction to thefree and easy removal of the countersink-retainer sleeve when it is desired to replace the worn or broken countersinks with new countersinks.

The construction of the counter-sinking or die-holding roll permits of quickly and convenientl y removing the facing-sleeve from the body portion of the roll and substituting another sleeve in its place, and it provides a solid bearing for the sleeve throughout its length, which is very desirable and owing to the severe strain applied thereto is almost indispensable.

Directly opposite each countersink, but to one side of the circumferential elevation or flange 18, is an inclined radial aperture 25, which is directed to have its axial line lead to the inner end of the opposite countersink, thus providing convenient access for a heading-tool to the inner end of the countersinks for heading the same when placed in position. By arranging the said apertures in this manner the outer ends thereof do not come in contact with the metal when being rolled, which would cause bosses or projections to be formed on the bars. The bars thus formed dispense with the necessity of countersinking by hand, which has heretofore been done after the bars were perforated by hand. By means of my invention the bar is provided with countersink depressions when rolled without the expense of additional labor and without drilling, and the perforations can be conveniently and quickly formed by centering a punch in the countersink depressions and striking the punch with a suitable object. This, however, is only possible after the bar is countersunk, as the metal to be punched out to form the perforation is much thinner than the bar itself. These countersunk bars are used in the construction of cars, wagons, buildings, &e., and the distance between the countersink depressions must of necessity vary in many instances, in which case a countersink-retainer sleeve having its countersinks arranged to correspond to the distance desired can be quickly substituted without the necessity of replacing the whole roll. These bars or. flats are now rolled and placed on the market without the countersunk depressions, and it is therefore necessary to drill the screw-hole and countersink the same after drilling, which requires considerable time, and is therefore very expensive.

This invention is susceptible to many changes in form, size, arrangement, and. construction of parts without departing from the spirit or sacrificing any advantages thereof.

Having thus described my invention, what I claim is 1. In a metal-rolling machine, a roll comprising a body portion, a facing-sleeve fitting onto said body portion and having apertures formed therein and a groove formed in itsinner face, and a die located opposite each aperture, each die having a shank extending through said sleeve and each shank having its inner end headed in said groove.

2. In a machine for rolling metal bars with countersink depressions, the combination of a roll having a circumferential depression, a cooperating roll having a removable facingslecve provided in itsinner periphery with an annular groove and on its outer periphery with a circumferential elevation adapted to enter the said circumferential depression in the first mentioned roll, and countersinks passing through said sleeve and having each a truncated conical head projecting from the face of said circumferential elevation, said countersinks having their inner projecting ends headed in said annular groove.

3. In a machine for rolling metal bars with countersink depressions, the combination of a roll having a circumferential depression, a cooperating roll comprising a body portion and a facing-sleeve fitting onto said body portion, said facingsleeve having an endless groove in its inner face and an outer circumferential elevation in line with said groove, countersinks passing through said sleeve and comprising each a shank, and a truncated conical head, the inner end of said shank extending into said endless groove and being upset to retain the same in place, and radial inclined perforations formed in said sleeve opposite each countersink and each leading to the inner end of the shank of the opposite counter sink to permit of conveniently upsetting the same.

In witness whereof I have aflixed my signature in the presence of two subscribing witnesses.

PETER BLONDELL.

Vitnesses:

CHAS. F. BURKHART, EMIL NIEUHART.

It is hereby certified that in Letters Patent No. 7 63,952, granted July 5, 1904, upon the application of Peter Blondell, of Tonawanda, New York, for an improvement in correction, as follows: In line 69, page 1, the number 12 should read 13; and that may conform to the record of the case in the Patent Oflice.

Signed and sealed this 26th day of July, A. 1)., 1904:.

[SEAL] E. B. MOORE,

Acting Commissioner of Patents.

Correction in Letters Patent No. 763,952.

Metal-Rolling Machines, an error appears in the printed specification requiring the said Letters Patent should be read with this correction therein that the same 

